Optimaze with new mbed os for study

Dependencies:   TS_DISCO_F746NG BSP_DISCO_F746NG Graphics

Revision:
5:64cafb3c6e7b
Parent:
1:5e49b46de1b0
--- a/BSP_DISCO_F746NG.lib	Sat Nov 05 20:24:59 2016 +0000
+++ b/BSP_DISCO_F746NG.lib	Fri Aug 23 16:59:22 2019 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/teams/ST/code/BSP_DISCO_F746NG/#458ab1edf6b2
+http://mbed.org/teams/ST/code/BSP_DISCO_F746NG/#df2ea349c37a